The following 40 parameters from ECMWF Parameter Code Table 235 are included in this dataset:

Parameter Code	Short Name	Description	Units
20	msror	Mean surface runoff rate	kg m-2 s-1
21	mssror	Mean sub-surface runoff rate	kg m-2 s-1
23	mser	Mean snow evaporation rate	kg m-2 s-1
24	msmr	Mean snowmelt rate	kg m-2 s-1
25	mmtss	Mean magnitude of turbulent surface stress	N m-2
26	mlspf	Mean large-scale precipitation fraction	Proportion
27	msdwuvrf	Mean surface downward UV radiation flux	W m-2
29	mlspr	Mean large-scale precipitation rate	kg m-2 s-1
30	mcpr	Mean convective precipitation rate	kg m-2 s-1
31	msr	Mean snowfall rate	kg m-2 s-1
32	mbld	Mean boundary layer dissipation	W m-2
33	msshf	Mean surface sensible heat flux	W m-2
34	mslhf	Mean surface latent heat flux	W m-2
35	msdwswrf	Mean surface downward short-wave radiation flux	W m-2
36	msdwlwrf	Mean surface downward long-wave radiation flux	W m-2
37	msnswrf	Mean surface net short-wave radiation flux	W m-2
38	msnlwrf	Mean surface net long-wave radiation flux	W m-2
39	mtnswrf	Mean top net short-wave radiation flux	W m-2
40	mtnlwrf	Mean top net long-wave radiation flux	W m-2
41	metss	Mean eastward turbulent surface stress	N m-2
42	mntss	Mean northward turbulent surface stress	N m-2
43	mer	Mean evaporation rate	kg m-2 s-1
45	megwss	Mean eastward gravity wave surface stress	N m-2
46	mngwss	Mean northward gravity wave surface stress	N m-2
47	mgwd	Mean gravity wave dissipation	W m-2
48	mror	Mean runoff rate	kg m-2 s-1
49	mtnswrfcs	Mean top net short-wave radiation flux, clear sky	W m-2
50	mtnlwrfcs	Mean top net long-wave radiation flux, clear sky	W m-2
51	msnswrfcs	Mean surface net short-wave radiation flux, clear sky	W m-2
52	msnlwrfcs	Mean surface net long-wave radiation flux, clear sky	W m-2
53	mtdwswrf	Mean top downward short-wave radiation flux	W m-2
54	mvimd	Mean vertically integrated moisture divergence	kg m-2 s-1
55	mtpr	Mean total precipitation rate	kg m-2 s-1
56	mcsr	Mean convective snowfall rate	kg m-2 s-1
57	mlssr	Mean large-scale snowfall rate	kg m-2 s-1
58	msdrswrf	Mean surface direct short-wave radiation flux	W m-2
59	msdrswrfcs	Mean surface direct short-wave radiation flux, clear sky	W m-2
68	msdwswrfcs	Mean surface downward short-wave radiation flux, clear sky	W m-2
69	msdwlwrfcs	Mean surface downward long-wave radiation flux, clear sky	W m-2
70	mper	Mean potential evaporation rate	kg m-2 s-1

The following 35 parameters from ECMWF Parameter Code Table 228 are included in this dataset:

Parameter Code	Short Name	Description	Units
1	CIN	Convective inhibition	J kg^-1
3	ZUST	Friction velocity	m s^-1
7	DL	Lake depth	m
8	LMLT	Lake mix-layer temperature	K
9	LMLD	Lake mix-layer depth	m
10	LBLT	Lake bottom temperature	K
11	LTLT	Lake total layer temperature	K
12	LSHF	Lake shape factor
13	LICT	Lake ice temperature	K
14	LICD	Lake ice depth	m
15	DNDZN	Minimum vertical gradient of refractivity inside trapping layer	m^-1
16	DNDZA	Mean vertical gradient of refractivity inside trapping layer	m^-1
17	DCTB	Duct base height	m
18	TPLB	Trapping layer base height	m
19	TPLT	Trapping layer top height	m
21	FDIR	Total sky direct solar radiation at surface	J m^-2
22	CDIR	Clear-sky direct solar radiation at surface	J m^-2
23	CBH	Cloud base height	m
24	DEG0L	Zero degree level	m
29	I10FG	Instantaneous 10 metre wind gust	m s^-1
88	TCSLW	Total column supercooled liquid water	kg m^-2
89	TCRW	Total column rain water	kg m^-2
90	TCSW	Total column snow water	kg m^-2
129	SSRDC	Surface solar radiation downward clear-sky	W m^-2
130	STRDC	Surface thermal radiation downward clear-sky	W m^-2
131	U10N	Neutral wind at 10 m u-component	m s^-1
132	V10N	Neutral wind at 10 m v-component	m s^-1
217	ILSPF	Instantaneous large-scale surface precipitaton fraction	(0-1)
218	CRR	Convective rain rate	kg m^-2 s^-1
219	LSRR	Large scale rain rate	kg m^-2 s^-1
220	CSFR	Convective snowfall rate water equivalent	kg m^-2 s^-1
221	LSSFR	Large scale snowfall rate water equivalent	kg m^-2 s^-1
246	100U	100 metre U wind component	m s^-1
247	100V	100 metre V wind component	m s^-1
251	PEV	Potential evaporation	m

The following 36 parameters from ECMWF Parameter Code Table 162 are included in this dataset:

Parameter Code	Short Name	Description	Units
53	VIMA	Vertical integral of mass of atmosphere	kg m^-2
54	VIT	Vertical integral of temperature	K kg m^-2
59	VIKE	Vertical integral of kinetic energy	J m^-2
60	VITHE	Vertical integral of thermal energy	J m^-2
61	VIPIE	Vertical integral of potential+internal energy	J m^-2
62	VIPILE	Vertical integral of potential+internal+latent energy	J m^-2
63	VITOE	Vertical integral of total energy	J m^-2
64	VIEC	Vertical integral of energy conversion	W m^-2
65	VIMAE	Vertical integral of eastward mass flux	kg m^-1 s^-1
66	VIMAN	Vertical integral of northward mass flux	kg m^-1 s^-1
67	VIKEE	Vertical integral of eastward kinetic energy flux	W m^-2
68	VIKEN	Vertical integral of northward kinetic energy flux	W m^-1
69	VITHEE	Vertical integral of eastward heat flux	W m^-1
70	VITHEN	Vertical integral of northward heat flux	W m^-1
71	VIWVE	Vertical integral of eastward water vapour flux	kg m^-1 s^-1
72	VIWVN	Vertical integral of northward water vapour flux	kg m^-1 s^-1
73	VIGE	Vertical integral of eastward geopotential flux	W m^-1
74	VIGN	Vertical integral of northward geopotential flux	W m^-1
75	VITOEE	Vertical integral of eastward total energy flux	W m^-1
76	VITOEN	Vertical integral of northward total energy flux	W m^-1
77	VIOZE	Vertical integral of eastward ozone flux	kg m^-1 s^-1
78	VIOZN	Vertical integral of northward ozone flux	kg m^-1 s^-1
79	VILWD	Vertical integral of divergence of cloud liquid water flux	kg m^-2 s^-1
80	VIIWD	Vertical integral of divergence of cloud frozen water flux	kg m^-2 s^-1
81	VIMAD	Vertical integral of divergence of mass flux	kg m^-2 s^-1
82	VIKED	Vertical integral of divergence of kinetic energy flux	W m^-2
83	VITHED	Vertical integral of divergence of thermal energy flux	W m^-2
84	VIWVD	Vertical integral of divergence of moisture flux	kg m^-2 s^-1
85	VIGD	Vertical integral of divergence of geopotential flux	W m^-2
86	VITOED	Vertical integral of divergence of total energy flux	W m^-2
87	VIOZD	Vertical integral of divergence of ozone flux	kg m^-2 s^-1
88	VILWE	Vertical integral of eastward cloud liquid water flux	kg m^-1 s^-1
89	VILWN	Vertical integral of northward cloud liquid water flux	kg m^-1 s^-1
90	VIIWE	Vertical integral of eastward cloud frozen water flux	kg m^-1 s^-1
91	VIIWN	Vertical integral of northward cloud frozen water flux	kg m^-1 s^-1
92	VIMAT	Vertical integral of mass tendency	kg m^-2 s^-1

The following 115 parameters from ECMWF Parameter Code Table 128 are included in this dataset:

Parameter Code	Short Name	Description	Units	Comments
8	SRO	Surface runoff	m
9	SSRO	Sub-surface runoff	m
15	ALUVP	UV visible albedo for direct radiation
16	ALUVD	UV visible albedo for diffuse radiation
17	ALNIP	Near IR albedo for direct radiation
18	ALNID	Near IR albedo for diffuse radiation
26	CL	Lake cover
27	CVL	Low vegetation cover
28	CVH	High vegetation cover
29	TVL	Type of low vegetation
30	TVH	Type of high vegetation
31	CI	Sea-ice cover
32	ASN	Snow albedo
33	RSN	Snow density	kg m^-3
34	SSTK	Sea surface temperature	K
35	ISTL1	Ice surface temperature layer 1	K
36	ISTL2	Ice surface temperature layer 2	K
37	ISTL3	Ice surface temperature layer 3	K
38	ISTL4	Ice surface temperature layer 4	K
39	SWVL1	Volumetric soil water layer 1	m³ m^-3	ECMWF has a description of the soil water units on their web site
40	SWVL2	Volumetric soil water layer 2	m³ m^-3	ECMWF has a description of the soil water units on their web site
41	SWVL3	Volumetric soil water layer 3	m³ m^-3	ECMWF has a description of the soil water units on their web site
42	SWVL4	Volumetric soil water layer 4	m³ m^-3	ECMWF has a description of the soil water units on their web site
43	SLT	Soil type
44	ES	Snow evaporation	m	Accumulated field
45	SMLT	Snowmelt	m	Accumulated field
48	MAGSS	Magnitude of surface stress	N m^-2 s
50	LSPF	Large-scale precipitation fraction	s	Accumulated field
57	UVB	Downward uv radiation at the surface	W m^-2
59	CAPE	Convective available potential energy	J kg^-1
60	PV	Potential vorticity	K m² kg^-1 s^-1
66	LAILV	Leaf area index, low vegetation	m² m^-2
67	LAIHV	Leaf area index, high vegetation	m² m^-2
74	SDFOR	Standard deviation of filtered subgrid surface geopotential	m
75	CRWC	Specific rain water content	kg kg^-1
76	CSWC	Specific snow water content	kg kg^-1
78	TCLW	Total column liquid water	kg m^-2
79	TCIW	Total column ice water	kg m^-2
129	Z	Geopotential	m² s^-2	Orography if at the surface
130	T	Temperature	K
131	U	U velocity	m s^-1
132	V	V velocity	m s^-1
133	Q	Specific humidity	kg kg^-1
134	SP	Surface pressure	Pa
135	W	Vertical velocity	Pa s^-1
136	TCW	Total column water	kg m^-2	Liquid + ice + vapour
137	TCWV	Total column water vapour	kg m^-2
138	VO	Vorticity (relative)	s^-1
139	STL1	Soil temperature level 1	K	Soil temperature (ST) before 1993-08-04
141	SD	Snow depth	m of water equivalent
142	LSP	Stratiform precipitation	m	Accumulated field
143	CP	Convective precipitation	m	Accumulated field
144	SF	Snowfall (convective + stratiform)	m of water equivalent	Accumulated field
145	BLD	Boundary layer dissipation	W m^-2 s	Accumulated field
146	SSHF	Surface sensible heat flux	W m^-2 s	Accumulated field
147	SLHF	Surface latent heat flux	W m^-2 s	Accumulated field
148	CHNK	Charnock		Surface stress (SS) before 1998-05-19
151	MSL	Mean sea-level pressure	Pa
155	D	Divergence	s^-1
157	R	Relative humidity	%
159	BLH	Boundary layer height	m
160	SDOR	Standard deviation of orography
161	ISOR	Anisotropy of sub-gridscale orography
162	ANOR	Angle of sub-gridscale orography	rad
163	SLOR	Slope of sub-gridscale orography
164	TCC	Total cloud cover
165	10U	10 metre U wind component	m s^-1
166	10V	10 metre V wind component	m s^-1
167	2T	2 metre temperature	K
168	2D	2 metre dewpoint temperature	K
169	SSRD	Surface solar radiation downwards	W m^-2 s
170	STL2	Soil temperature level 2	K	Deep soil temperature (DST) before 1993-08-04
172	LSM	Land/sea mask
175	STRD	Surface thermal radiation downwards	W m^-2 s	Accumulated field
176	SSR	Surface solar radiation	W m^-2 s	Accumulated field
177	STR	Surface thermal radiation	W m^-2 s	Accumulated field
178	TSR	Top solar radiation	W m^-2 s	Accumulated field
179	TTR	Top thermal radiation	W m^-2 s	Accumulated field
180	EWSS	East/West surface stress	N m^-2 s	Accumulated field
181	NSSS	North/South surface stress	N m^-2 s	Accumulated field
182	E	Evaporation	m of water	Accumulated field
183	STL3	Soil temperature level 3	K	Climatological deep soil temperature (CDST) before 1993-08-04
186	LCC	Low cloud cover
187	MCC	Medium cloud cover
188	HCC	High cloud cover
195	LGWS	Latitudinal component of gravity wave stress	N m^-2 s	Accumulated field
196	MGWS	Meridional component of gravity wave stress	N m^-2 s	Accumulated field
197	GWD	Gravity wave dissipation	W m^-2 s	Accumulated field
198	SRC	Skin reservoir content	m of water
203	O3	Ozone mass mixing ratio	kg kg^-1
205	RO	Runoff	m	Accumulated field
206	TCO3	Total column ozone	kg m^-2	Before 2001-06-12, unit was Dobson. 1 Dobson = 2.1415E-5 kg m^-2
207	10SI	10 metre windspeed	m s^-1
208	TSRC	Top net solar radiation, clear sky	W m^-2 s	Accumulated field
209	TTRC	Top net thermal radiation, clear sky	W m^-2 s	Accumulated field
210	SSRC	Surface net solar radiation, clear sky	W m^-2 s	Accumulated field
211	STRC	Surface net thermal radiation, clear sky	W m^-2 s	Accumulated field
212	SI	Solar insolation	W m^-2 s
213	VIMD	Vertically integrated moisture divergence	kg m^-2
228	TP	Total precipitation	m
229	IEWS	Instantaneous X surface stress	N m^-2
230	INSS	Instantaneous Y surface stress	N m^-2
231	ISHF	Instantaneous surface heat flux	W m^-2
232	IE	Instantaneous moisture flux	kg m^-2 s	Evaporation
235	SKT	Skin temperature	K
236	STL4	Soil temperature level 4	K
238	TSN	Temperature of snow layer	K
239	CSF	Convective snowfall	m of water equivalent	Accumulated field
240	LSF	Large-scale snowfall	m of water equivalent	Accumulated field
243	FAL	Forecast albedo
244	FSR	Forecast surface roughness	m
245	FLSR	Forecast log of surface roughness for heat
246	CLWC	Cloud liquid water content	kg kg^-1
247	CIWC	Cloud ice water content	kg kg^-1
248	CC	Cloud cover